The story of the man who receives a wedding invitation from his first love that he met in high school. On Your Wedding Day is a 2018 Korean Korean-language Romance film featuring Park Bo-young, Kim Young-kwang, Bo-yeong Park, Young-kwang Kim, Jae-rim Song, Gyu-pil Go and Eun-seo Son. Filmmaker R & K was the production house involved in the project along with executive producer(s) Cha Sang-min. The film is written and directed by Lee Seok-geun. Megabox Plus M acquired the distribution rights for the movie. On Your Wedding Day was released on 20th September 2018 and takes a screen time of 110 minutes. The film made a box office gross of $21 million. Cinematography was done by Lee Seong-jae and editing by Lee Gang-hee. The music was composed by Lee Jin-hee.